Home / 2,300,381.15-3,174,623.12-1,281,785.63

Finding the Fourth Proportional to 2,300,381.15, 3,174,623.12 and 1,281,785.63

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Solution

The fourth proportional to 2,300,381.15, 3,174,623.12 and 1,281,785.63 is: 1,768,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300,381.15 : 3,174,623.12 = 1,281,785.63 : x
  2. Step 2: Convert to fraction form
    2,300,381.15/3,174,623.12 = 1,281,785.63/x
  3. Step 3: Cross multiply
    2,300,381.15x = 3,174,623.12 × 1,281,785.63
  4. Step 4: Simplify right side
    2,300,381.15x = 4,069,186,283,213.11
  5. Step 5: Solve for x
    x = 4,069,186,283,213.11/2,300,381.15
  6. Step 6: Final answer
    x = 1,768,918.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.